Suggestions by @legendhero

Nolan North

as Tony Stark/Iron Man in The Avengers (Season 1) Episode 3: Tolerance

Dee Bradley Baker

as Bruce Banner in The Avengers (Season 1) Episode 3: Tolerance

J.K. Simmons

as J. Jonah Jameson in Spider-Man (Season 1) Episode 12: Great responsibility

Spencer Boldman

as Flash Thompson in Spider-Man (Season 1) Episode 12: Great responsibility

Tara Strong

as Aunt May in Spider-Man (Season 1) Episode 12: Great responsibility

Jeremy Shada

as Harry Osborn in Spider-Man (Season 1) Episode 12: Great responsibility

Tom Kenny

as Adrian Tooms/The Vulture in Spider-Man (Season 1) Episode 12: Great responsibility

Mark Oliver

as Norman Osborn in Spider-Man (Season 1) Episode 12: Great responsibility

AJ Michalka

as Felicia Hardy/Black Cat in Spider-Man (Season 1) Episode 12: Great responsibility

Fred Tatasciore

as A Bomb (Harry) in Spider-Man (Season 1) Episode 12: Great responsibility

Idris Elba

as Jefferson Davis in Spider-Man (Season 1) Episode 12: Great responsibility

Karen Fukuhara

as Liz Allen in Spider-Man (Season 1) Episode 12: Great responsibility

Jacob Tremblay

as Max Allen/Electro in Spider-Man (Season 1) Episode 12: Great responsibility

Zach Callison

as Peter Parker/Spiderman in Spider-Man (Season 1) Episode 12: Great responsibility

AJ Michalka

as Felicia Hardy/Black Cat in Spider-Man (Season 1) Episode 11: Great Power

Karen Fukuhara

as Liz Allen in Spider-Man (Season 1) Episode 11: Great Power

Zach Callison

as Peter Parker/Spiderman in Spider-Man (Season 1) Episode 11: Great Power

Tara Strong

as Aunt May in Spider-Man (Season 1) Episode 11: Great Power

Fred Tatasciore

as A Bomb (Harry Osborn) in Spider-Man (Season 1) Episode 11: Great Power

Mark Oliver

as Norman Osborn in Spider-Man (Season 1) Episode 11: Great Power